The Plate,mounting, cataloged under National Stock Number 5340-01-389-7550, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-389-7550 |
| Primary Part Number | 801277-3 |
| Item Name | Plate,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Length | 1.635 INCHES MINIMUM AND 1.675 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE |
| Shape | SQUARE |
| Aperture Diameter | 1.492 INCHES MINIMUM AND 1.508 INCHES MAXIMUM IN |
| Features Provided | APERTURE |
| Thread Size | .112IN-40 IN |
| Screw Thread Series Designator | NC |
| Surface Treatment | CHROMATE |
| Width | 1.635 INCHES MINIMUM AND 1.675 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Thickness | 0.125 INCHES NOMINAL IN |
| Mounting Hole Type | THREADED |
| Aperture Shape | ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 801277-3 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5340-01-389-7550 is a Plate,mounting, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-389-7550 has 1 manufacturer part number on file: 801277-3 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 801277-3: Mounting Hole Quantity: 4; Length: 1.635 INCHES MINIMUM AND 1.675 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-5541, CL 1A MIL SPEC SINGLE TREATMENT RESPONSE A; Material Document and Classification: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE. 15 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.